Cubic metres per second

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A cubic metre per second (m³·s⁻¹, m³/s, cumecs or cubic meter per second in American English) is a derived SI unit of flow rate equal to that of a cube with sides of one metre (1000 mm) (39.37 in) in length exchanged or moving each second. It is popularly used for water flow, especially in rivers and streams, and fractions for HVAC values measuring air flow.

[edit] Conversions

1 cubic metre per second is the same as:

• 1,000 litres per second
• 264.172051 gallons per second
• 35.314454 cubic feet per second
• 25566.497 acre feet per year
• 46,403,192.556 cubic feet per year
• 0.007565843 cubic miles per year
• 25,566.497 acre feet per year

[edit] See also

• 1 E-1 m³ for a comparison with other volumes
• Cubic mile
• Orders of magnitude (volume)
• Conversion of units